Helmet for racketball



FIG. 1 is a front perspective view of a helmet for racketball showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a front elevation view thereof; and

FIG. 5 is a rear elevation view thereof. 

The ornamental design for a helmet for racketball, substantially as shown. 